The climate in Cardiff during April can be summarized as cool and reasonably dry.
April is in the spring in Cardiff and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a cool 12°C (54°F), whilst at night 4°C (40°F) is normal.
Daytime temperature | 12.3°C 54.1°F |
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Nightly temperature | 4.4°C 39.8°F |
Average temperature | 8.3°C 46.9°F |
Daily sunshine | 5.9 hrs |
Avg rainfall | 60 mm 2.4 ins |
Rainy days | 15 days |
Sea temperature | 9.9°C 49.8°F |
Humidity | 82% |
Windspeed | 17.6kph 11 mph |
On average April is the driest month of the year in Cardiff with around 60mm 2.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.9 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Cardiff in April 2025.
Hottest month: | July | 20.2°C 68.4°F |
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Driest month: | April | 60mm 2.4ins |
Sunniest month: | August | 6.6hrs |
Coldest month: | February | 7.2°C 45°F |
Wettest month: | December | 109mm 4.3ins |